body{
	background: url(../img/1.png) no-repeat center center fixed;
	background-size:cover ;
	margin: 0 auto;
	padding: 0;
	padding-top:20px ;
}
form{
	width: 343px;
	height: 500px;
	margin: 0 auto;
	padding: 30px;
	border: 1px solid rgba(0,0,0,0,.2);
	border-radius: 5px;
	background-color: rgba(0,0,0,.5);
	box-shadow: 0 0 13px 13px rgba(0,0,0,0.3);
	overflow: hidden;
	margin-top: 50px;
}
.pictrue_radiuo{
	width: 200px;
	height: 200px;
	background: url(../img/2.jpg) no-repeat center center;
	border:5px solid rgba(255,255,255,0.4) ;
	margin: 40px auto;
	border-radius:100px ;
}
input{
	text-align: left;
	width: 310px;
	height: 48px;
	border: 1px solid rgba(255,255,255,0.4);
	border-radius: 4px;
	display: block;
	padding-left:20px ;
	font-family: sans-serif;
	font-size: 18px;
	margin-bottom: 20px;
	background: rgba(255,255,255,0.4) no-repeat 16px 16px;
	color: #FFFFFF;
}
input:hover{
	background-color: rgba(0,0,0,0.2);
	box-shadow: 0 0 5px 1px rgba(255,255,255,0.5);
	overflow: hidden;
}
input[type=submit]{
	cursor: pointer;
	margin:  0 auto;
	text-align: center;
	width: 200px;
	padding: 0 ;
	background-color: deepskyblue;
}
::-webkit-input-placeholder{
	color: white;
}